[clang] [llvm] [x86][AVX-VNNI] Fix VPDPBUSD Argument Types (PR #155194)

[via llvm-commits]

BaiXilin wrote:

> we usually include basic upgrade tests in CodeGen/X86 as well - but there should be an entry for every intrinsics we've changed - nothing as complex as msan - and it looks like we're missing avx_vnni-intrinsics-upgrade.ll entirely

Phoebe pointed out the same problem. Working on it. Will test on every intrinsic & type combo.

https://github.com/llvm/llvm-project/pull/155194